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| Number | Title | Issue Date |
| 6983778 | Road gripping assembly A road gripping and traction assembly includes an assembly that is removably positionable on a vehicle wheel that includes a rim having a plurality of threaded bolts extending therethrough. The assembly includes a hub having an inner surface, an outer surface and a ... | 01/10/2006 |
| 4906051 | Easily activated and deactivated traction device for vehicles An auxiliary traction device for vehicle wheels to enhance their traction and braking characteristics under ice and snow conditions. The device comprises a frame which mounts to the outer side of the wheel, connected thereto preferably by the conventional... | 03/06/1990 |
| 4906052 | Tire crampon The tire crampon comprises a cross-shaped member having four arms, interconnected by half-braces bearing bushes for connection to a vehicle's wheel hub bolts. Counter-arms are slideable on the arms and each have a toothed sector rigidly associated with an... | 03/06/1990 |
| 4246691 | Traction device The traction device of the invention is for use with a vehicle wheel supported by lugs and having a tire. The traction device has a base with openings for the reception of at least two but less than all, the lugs for supporting the base. A plurality of sp... | 01/27/1981 |
